Regular Expression Examples
5 days ago · Below, you will find many example patterns that you can use for and adapt to your own purposes. Key techniques used in crafting each regex are explained, with links to the …
Regular expression syntax cheat sheet - JavaScript | MDN
6 days ago · This page provides an overall cheat sheet of all the capabilities of RegExp syntax by aggregating the content of the articles in the RegExp guide. If you need more information on a …
Regex Tutorial - How to write Regular Expressions
Dec 22, 2025 · Regex is supported in almost every programming language, including Python, Java, C++ and JavaScript. Below image shows an example of a regular expression and …
RegEx Examples: 10 Practical Patterns You Can Copy and Paste
Sep 18, 2025 · Looking for RegEx examples you can drop straight into your project? This practical cheat sheet focuses on the most searched tasks, such as find/replace, extracting values, …
regex101: build, test, and debug regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
Regular Expressions Tutorials
Learn Regular Expressions in easy and step-by-step tutorials.
Regex Tutorial—From Regex 101 to Advanced Regex
A step-by-step explanation of simple and advanced regular expressions crafted for various contexts (such as text matching, file renaming, search-and-replace).
RegExr: Learn, Build, & Test RegEx
Menu RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). Supports JavaScript & PHP/PCRE RegEx. Results update in real-time as you type. Roll over a …
Make Python scripts smarter with regex: 5 practical re examples
Jan 4, 2026 · Let's look into some real-world examples where Python’s re module makes scripts smarter. Validate sneaky user inputs When validating user input without regex, you’ve …
Regular Expression (regex) Examples + Use Cases in 2025
Mar 6, 2025 · We explain why regular expressions can be helpful and walk through several examples including python, removing code sets, editing csv files.